U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 3741 - 3750 of 4027 results

Gallic acid is a polyphenol found in a variety of foods and herbs. Several studies have shown thta gallic acid has neuroprotective and anti-oxidant properties and can be a promising candidate for the treatment of cancer, cardiovascular diseases, neurodegenerative disorders, fatty liver disease and many others. Gallic acid acts by protecting cells against oxidative damage caused by reactive species often encountered in biological systems including, hydroxyl, superoxide and peroxyl and the non-radicals, hydrogen peroxide and hypochlorous acid. However, its ability to induce apoptosis, is mainly associated with its prooxidant, rather than antioxidant behavior.
Status:
US Previously Marketed
Source:
Strychnine U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Strychnine U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Strychnine is an indole alkaloid obtained from the seeds of the Indian tree Strychnos nux-vomica. It gets its scientific name “strychnos” from Carl Linnaeus, who classified it back in 1753, but it was known to the population of India way before then. Nux vomica originates in India. Strychnine-containing baits are currently labelled for below-ground use and are intended for the control of pocket gophers. Their use as indoor pesticides has been eliminated since 1989. In the past, strychnine has been used as a pesticide to control rats, moles, gophers, and coyotes. Strychnine is highly toxic to most domestic animals. Strychnine is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea.
Status:
US Previously Marketed
Source:
Cinchonine Sulphate U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Cinchonine Sulphate U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Cinchonine is cinchona bark alkaloid, which was used to treat malaria. Cinchonine is more efficient than quinine in increasing the intracellular accumulation and restoring the cytotoxicity of doxorubicin, mitoxantrone and vincristine on well-characterized multidrug resistance (MDR) cell lines. In the phase I of clinical trial was investigated the properties of cinchonine combined with the CHVP (cyclophosphamide, doxorubicin, vinblastine, methylprednisolone) regimen in relapsed and refractory lymphoproliferative syndromes.
Status:
US Previously Marketed
Source:
Cinchonine Sulphate U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Cinchonine Sulphate U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Cinchonine is cinchona bark alkaloid, which was used to treat malaria. Cinchonine is more efficient than quinine in increasing the intracellular accumulation and restoring the cytotoxicity of doxorubicin, mitoxantrone and vincristine on well-characterized multidrug resistance (MDR) cell lines. In the phase I of clinical trial was investigated the properties of cinchonine combined with the CHVP (cyclophosphamide, doxorubicin, vinblastine, methylprednisolone) regimen in relapsed and refractory lymphoproliferative syndromes.
Status:
US Previously Marketed
Source:
Cinchonine Sulphate U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Cinchonine Sulphate U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Cinchonine is cinchona bark alkaloid, which was used to treat malaria. Cinchonine is more efficient than quinine in increasing the intracellular accumulation and restoring the cytotoxicity of doxorubicin, mitoxantrone and vincristine on well-characterized multidrug resistance (MDR) cell lines. In the phase I of clinical trial was investigated the properties of cinchonine combined with the CHVP (cyclophosphamide, doxorubicin, vinblastine, methylprednisolone) regimen in relapsed and refractory lymphoproliferative syndromes.
Status:
US Previously Marketed
Source:
Hydrastinine Hydrochloride U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Hydrastinine Hydrochloride U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (RACEMIC)



Hydrastinine is a synthetic alkaloid prepared by various processes from either hydrastine, berberine, or narcotine. It exerts a strong stimulating action on the uterus of all species studied, including human. Hydrastinine and the closely related alkaloid cotarnine have been employed as hemostatics, particularly in abnormal uterine conditions. In the non-pregnant animal, hydrastinine in doses of 10 mg. depressed both tonus and activity, even after the section of the hypogastric. In the pregnant cat, it caused the uterus to contract. A stimulant action was also noted in the non-pregnant animal if nicotine were administered prior to hydrastinine. The rabbit uterus in situ was strongly contracted. Laidlaw believed that hydrastinine acted on the uterus both directly on the smooth muscle and also through its sympathetic innervation. Repeated administration of large doses for a period of time resulted in greatly increased amplitude of contractions which persisted after removal of the drug. The drug was patented by Bayer as a haemostatic drug during the 1910s.
Status:
US Previously Marketed
Source:
Stearic Acid U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Stearic Acid U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Stearic Acid is a typical example of a fatty acid, which are essentially long hydrocarbon chains containing a carboxyl group at one end and a methyl group at the other. The chain lengths can vary from 3 (propionic acid) to 24 (lignoceric acid) but the majority of fatty acids found in hydrogenated vegetable or animal oils are around C16-C20 in length. Stearic acid is a saturated acid, since there are no double bonds between neighbouring carbon atoms. Stearic acid is found in various animal and plant fats, and is a major component of cocoa butter and shea butter. Stearic acid is a very common amino acid is used in the manufacturing of more than 3,200 skin and hair care products sold in the United States. On product labels, it is sometimes listed under other names, including Century 1240, cetylacetic acid, Emersol 120, Emersol 132, Emersol 150, Formula 300 and Glycon DP. Stearic Acid is mainly used in the production of detergents, soaps, and cosmetics such as shampoos and shaving cream products. Stearic acid is used along with castor oil for preparing softeners in textile sizing. Being inexpensively available and chemically benign, stearic acid finds many niche applications It is used in the manufacture of candles, and as a hardener in candies when mixed with simple sugar and corn syrup. It is also used to produce dietary supplements. In fireworks, stearic acid is often used to coat metal powders such as aluminum and iron. This prevents oxidation, allowing compositions to be stored for a longer period of time. Stearic acid is a common lubricant during injection molding and pressing of ceramic powders. It is also used as a mold release for foam latex that is baked in stone molds. Stearic acid is known antidiabetic and antioxidant agent.
Status:
US Previously Marketed
Source:
Stearic Acid U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Stearic Acid U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Stearic Acid is a typical example of a fatty acid, which are essentially long hydrocarbon chains containing a carboxyl group at one end and a methyl group at the other. The chain lengths can vary from 3 (propionic acid) to 24 (lignoceric acid) but the majority of fatty acids found in hydrogenated vegetable or animal oils are around C16-C20 in length. Stearic acid is a saturated acid, since there are no double bonds between neighbouring carbon atoms. Stearic acid is found in various animal and plant fats, and is a major component of cocoa butter and shea butter. Stearic acid is a very common amino acid is used in the manufacturing of more than 3,200 skin and hair care products sold in the United States. On product labels, it is sometimes listed under other names, including Century 1240, cetylacetic acid, Emersol 120, Emersol 132, Emersol 150, Formula 300 and Glycon DP. Stearic Acid is mainly used in the production of detergents, soaps, and cosmetics such as shampoos and shaving cream products. Stearic acid is used along with castor oil for preparing softeners in textile sizing. Being inexpensively available and chemically benign, stearic acid finds many niche applications It is used in the manufacture of candles, and as a hardener in candies when mixed with simple sugar and corn syrup. It is also used to produce dietary supplements. In fireworks, stearic acid is often used to coat metal powders such as aluminum and iron. This prevents oxidation, allowing compositions to be stored for a longer period of time. Stearic acid is a common lubricant during injection molding and pressing of ceramic powders. It is also used as a mold release for foam latex that is baked in stone molds. Stearic acid is known antidiabetic and antioxidant agent.
Status:
US Previously Marketed
Source:
Benzosulphinide U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Benzosulphinide U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)


Conditions:

Saccharin is the most established of the artificial sweeteners on the market, this mixture of dextrose and saccharin has been in use for over a century and is found in diet versions of soft drinks. It is 300-500 times sweeter than sugar and contains zero calories. In 1977, the FDA tried to ban its use after evidence showed it caused cancer in rats. Extensive lobbying by the diet food industry allowed products to stay on the shelves as long as they carried warnings about the cancer risks in animals. This warning was removed in 2001 when the Calorie Control Council insisted the link between animal and human cancers could not automatically be made. Consumption of saccharin-sweetened products can benefit diabetics as the substance goes directly through the human digestive system without being digested. While saccharin has no food energy, it can trigger the release of insulin in humans due to its sweet taste. The T1R2/R3 sweet taste receptor exist on the surface of pancreatic beta cells. Saccharin is a unique in that it inhibits glucose-stimulated insulin secretion (GSIS) at submaximal and maximal glucose concentrations, with the other sweeteners having no effect. Investigation of saccharin’s dose-response characteristics showed that concentrations of 0.1 and 0.5 mM stimulated insulin secretion, while concentrations of 1 and 2.5 mM inhibited insulin secretion. Saccharin’s effect on insulin secretion was shown to be reversible in INS-1 832/13 clonal pancreatic beta cells after chronic exposure to 1 mM saccharin. Artificial sweeteners may affect insulin secretion via interaction with the sweet taste receptor, also saccharin may affect other cellular processes linked to insulin secretion, and that these effects are both time- and concentration-dependent
Status:
US Previously Marketed
Source:
Strychnine U.S.P.
(1921)
Source URL:
First marketed in 1921
Source:
Strychnine U.S.P.
Source URL:

Class (Stereo):
CHEMICAL (ABSOLUTE)



Strychnine is an indole alkaloid obtained from the seeds of the Indian tree Strychnos nux-vomica. It gets its scientific name “strychnos” from Carl Linnaeus, who classified it back in 1753, but it was known to the population of India way before then. Nux vomica originates in India. Strychnine-containing baits are currently labelled for below-ground use and are intended for the control of pocket gophers. Their use as indoor pesticides has been eliminated since 1989. In the past, strychnine has been used as a pesticide to control rats, moles, gophers, and coyotes. Strychnine is highly toxic to most domestic animals. Strychnine is a competitive antagonist at glycine receptors and thus a convulsant. It has been used as an analeptic, in the treatment of nonketotic hyperglycinemia and sleep apnea.

Showing 3741 - 3750 of 4027 results